In Ontario there are 3 residential Fiber providers covering 95.42% of the city. The average home can get speeds up to 6,928 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Fiber internet providers in Ontario, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Ontario, CA please click below.
Fiber Internet Service Providers in Ontario
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Ontario are not shown.
Ontario Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Ontario is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 95.42% of Ontario. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Ontario above to see who has service at your home.
How fast is fiber internet in Ontario?
The map below shows maximum fiber internet speeds by area in Ontario.
Fiber Internet Speed Key
The average Ontario home can get up to 6,928 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.17% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Ontario.
Fiber internet speeds tend to be faster in the east parts of Ontario, and slower in the northeast areas of the city.
Is fiber the fastest internet I can get in Ontario?
The fastest internet for you may vary based on where in Ontario you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 95.42% of Ontario homes.
- Cable is fastest for 4.42% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Ontario homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Ontario, along with details on where in Ontario and at what speeds.
Frontier Communications Fiber in Ontario, CA
Frontier fiber coverage
About 94.24%, or 167,137 people, have Frontier fiber internet available to them in the city. The company covers the entire Ontario area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Ontario.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Ontario. Versus other fiber providers in the area, Frontier fiber is above average. There are 2 different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Frontier goes up to 7,000 Mbps, the slowest package only goes up to 50 Mbps, and the city-wide average maximum speed for Ontario customers is up to 6,996 Mbps.
Show all download speeds
- 99.9% up to 7,000.0 Mbps
- 0.1% up to 50.0 Mbps
Frontier Communications fiber upload speeds
In Ontario download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other Ontario fiber providers. Frontier offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Ontario is up to 7,000 Mbps. Some customers have slower plan choices, which only go up to 50 Mbps. On average, Frontier customers can get speeds up to 6,996 Mbps.
Show all upload speeds
- 99.9% up to 7,000.0 Mbps
- 0.1% up to 50.0 Mbps
Onward Fiber in Ontario, CA
Onward fiber coverage
About 7.48%, or 13,258 people, have Onward fiber internet available to them in the city. The company covers the southeast, northeast, southwest, and central Ontario area. Onward is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Ontario.
Onward fiber download speeds
Onward is below average when comparing download speeds to all other internet providers in Ontario. Versus other fiber providers in the area, Onward fiber is one of the slowest. There are no different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Onward goes up to 1,000 Mbps, and all Ontario customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Onward fiber upload speeds
In Ontario download speeds tend to be equal to than upload speeds for Onward fiber. Compared to other ISPs, Onward is below average where upload speeds are concerned, and below average compared to other Ontario fiber providers. Onward offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Ontario is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Fiber in Ontario, CA
Spectrum fiber coverage
About 4.39%, or 7,794 people, have Spectrum fiber internet available to them in the city. The company covers the southeast, northeast, and west Ontario area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Ontario.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Ontario. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout Ontario. The fastest plan anyone in Ontario can order from Spectrum goes up to 1,000 Mbps, and all Ontario customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Ontario download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Ontario fiber providers. Spectrum offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Ontario is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 228 Mbps.
Show all upload speeds
- 41.6% up to 500.0 Mbps
- 58.4% up to 35.0 Mbps
Ontario Fiber by Area
This information is most helpful to those looking for homes or considering moving to Ontario or any of the areas nearby.
How does fiber internet in Ontario compare to the rest of California?
Fiber internet speeds in Ontario are much faster versus the average speeds in California: 0.00 Mbps in California versus 6,928 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 95.42% in Ontario.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Ontario are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Chino, CA: less fiber coverage, faster speeds
- Montclair, CA: more fiber coverage, slower speeds
- Upland, CA: less fiber coverage, faster speeds
- Rancho Cucamonga, CA: less fiber coverage, slower speeds
- Claremont, CA: less fiber coverage, slower speeds
- Eastvale, CA: less fiber coverage, slower speeds
- Pomona, CA: less fiber coverage, faster speeds
- Alta Loma, CA: less fiber coverage, faster speeds
- Chino Hills, CA: less fiber coverage, faster speeds
- Mira Loma, CA: less fiber coverage, slower speeds
Cities with Similar Populations
- Lawrence, KS: less fiber coverage, slower speeds
- Lehi, UT: less fiber coverage, faster speeds
- Lehigh Acres, FL: less fiber coverage, slower speeds
- Littleton, CO: less fiber coverage, slower speeds
- Lexington, SC: less fiber coverage, slower speeds
- Lodi, CA: less fiber coverage, slower speeds
- Las Vegas, NV: less fiber coverage, slower speeds
- Lima, OH: less fiber coverage, slower speeds
- Las Cruces, NM: less fiber coverage, slower speeds
- Layton, UT: more fiber coverage, faster speeds